Description
Item Description:Depths shown by contours.
Includes text, list of Research Committee and Subcommittee members, index map to base map sources, "Index map showing locations of 1:1,000,000 scale computer-generated geothermal gradient maps," inset of "Lesser Antilles and northeastern South America, " and list of "Other geologic maps of North America."
Cartographic material.
Physical Description:1 map : color ; 184 x 133 cm, on 2 sheets 101 x 160 cm